User's Manual

Pin Pin name Signal or label
Main feature / optional feature / (SB)
(1)
E6 PB12 PB12 ARD_D2 - IO
E7 PB1 PB1 ARD_A0 - ADC1_IN5
E8 VDDRF VDDRF VDD supply for the RF part
E9 VDD VDD VDD voltage supply
F1 PC1 PC1 ARD_D7 - IO
F2 PC0 PC0 IO
F3 PC4 PC4 FE_CTRL1
F4 PA6 PA6 ARD_D12 - SPI1_MISO
F5 NRST T_NRST STM32WL RESET
F6 PB0-VDD_TCXO PB0-VDD_TCXO Supply voltage of TCXO
/ GPIO PB0
F7 VDDRF1V55 VDDRF1V55 External power supply for the radio
F8 OSC_OUT OSC_OUT HSE CLK
G2 PC6 PC6 B3 user button
G3 PA1 PA1 B2 user button
G4 PB11 PB11 LED3
G5 VSS GND GND
G6 VSSRF VSSRF GND for RF part
G7 VSSRF VSSRF GND for RF part
G8 VSSRF VSSRF GND for RF part
G9 OSC_IN OSC_IN HSE CLK
H1 PA3 LPUART_RX STLINK_RX (T_VCP_RX) / ARD_D0
H2 PA2 LPUART_TX STLINK_TX (T_VCP_TX) / ARD_D1
H3 PA7 PA7 ARD_D11 - TIM17_CH1/SPI1_MOSI
H4 PB10 PB10 ARD_D6 - TIM2_CH3
H5 VDD VDD VDD voltage supply
H6 VSSRF VSSRF GND for RF part
H7 RFI_N RFI_N RF receive input (differential N path)
H8 VDDPA VDDPA Input supply for PA regulator
H9 VR_PA VR_PA Regulated PA supply output
J1 PA4 PA4 ARD_D10 - LPTIM1_OUT/SPI1_NSS
J2 PA5 PA5 ARD_D13 - SPI1_SCK
J3 PA8 PA8 IO
J5 PH3 PH3 BOOT0
J6 RFI_P RFI_P RF receive input (differential P path)
J8 RFO_LP RFO_LP Transmit default power PA output
J9 RFO_HP RFO_HP Transmit high-power PA output
1. The default configuration is shown in bold.
UM2592
STM32WL Nucleo-64 I/O assignment
UM2592 - Rev 2
page 41/50